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%I #10 May 01 2017 15:11:28
%S 4,11,28,56,108,188,322,521,830,1278,1940,2875,4214,6065,8643,12150,
%T 16932,23335,31920,43263,58249,77824,103361,136370,178974,233531,
%U 303267,391830,504068,645519,823418,1046066,1324135,1669949,2099103
%N Number of proper factorizations of p1^n*p2^4, where p1 and p2 are distinct primes.
%H Ray Chandler, <a href="/A031127/b031127.txt">Table of n, a(n) for n = 0..100</a>
%F a(n) = A000465(n) - 1 = A028422(2^n*3^4). - _Ray Chandler_, May 01 2017
%Y Cf. A000465, A028422.
%K nonn
%O 0,1
%A _Jeff Burch_
%E Offset changed to 0 and more terms added by _Ray Chandler_, May 01 2017
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